package com.hongxun.design.ui.titlepopupwindow;

import android.content.Context;
import android.graphics.Rect;
import android.graphics.drawable.BitmapDrawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;


import java.util.ArrayList;

import com.hongxun.design.R;
import com.hongxun.design.mytools.MString;
import com.hongxun.design.mytools.SetTypeface;

/**
 * Created by zerdoor_pc on 2015/12/10.
 */
public class TitlePopup extends PopupWindow {
    private Context mContext;

    //列表弹窗的间隔
    protected final int LIST_PADDING = 20;

    //实例化一个矩形
    private Rect mRect = new Rect();

    //坐标的位置（x、y）
    private final int[] mLocation = new int[2];

    //屏幕的宽度和高度
    private int mScreenWidth, mScreenHeight;

    //判断是否需要添加或更新列表子类项
    private boolean mIsDirty;

    //位置不在中心
    private int popupGravity = Gravity.NO_GRAVITY;

    //弹窗子类项选中时的监听
    private OnItemOnClickListener mItemOnClickListener;

    //定义列表对象
    private ListView mListView;

    //定义弹窗子类项列表
    private ArrayList<ActionItem> mActionItems = new ArrayList<ActionItem>();

    public TitlePopup(Context context) {
        //设置布局的参数
        this(context, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    }

    public TitlePopup(Context context, int width, int height) {
        this.mContext = context;
        //设置可以获得焦点
        setFocusable(true);
        //设置弹窗内可点击
        setTouchable(true);
        //设置弹窗外可点击
        setOutsideTouchable(true);
        //获得屏幕的宽度和高度
        mScreenWidth = Util.getScreenWidth(mContext);
        mScreenHeight = Util.getScreenHeight(mContext);
        //设置弹窗的宽度和高度
        setWidth(width);
        setHeight(height);
        setBackgroundDrawable(new BitmapDrawable());
        //设置弹窗的布局界面
        setContentView(LayoutInflater.from(mContext).inflate(R.layout.pop_title, null));

        initUI();
    }

    /**
     * 初始化弹窗列表
     */
    private void initUI() {
        mListView = (ListView) getContentView().findViewById(R.id.title_list);
        mListView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int index, long arg3) {
                //点击子类项后，弹窗消失
                dismiss();
                if (mItemOnClickListener != null)
                    mItemOnClickListener.onItemClick(mActionItems.get(index), index);
            }
        });
    }

    /**
     * 显示弹窗列表界面
     */
    public void show(View view) {
        //获得点击屏幕的位置坐标
        view.getLocationOnScreen(mLocation);
        //设置矩形的大小
        mRect.set(mLocation[0], mLocation[1], mLocation[0] + view.getWidth(), mLocation[1] + view.getHeight());
        //判断是否需要添加或更新列表子类项
        if (mIsDirty) {
            populateActions();
        }
        //显示弹窗的位置
        showAtLocation(view, popupGravity, mScreenWidth - LIST_PADDING - (getWidth() / 2), mRect.bottom - 10);
    }

    /**
     * 设置弹窗列表子项
     */
    private void populateActions() {
        mIsDirty = false;

        //设置列表的适配器
        mListView.setAdapter(new BaseAdapter() {
            @Override
            public View getView(int position, View convertView, ViewGroup parent) {

                ItemHoller itemHoller = null;
                if (convertView == null) {
//
                    convertView = LayoutInflater.from(mContext).inflate(R.layout.popwindow_item, null);
                    itemHoller = new ItemHoller(convertView);
                    convertView.setTag(itemHoller);
                } else {
                    itemHoller = (ItemHoller) convertView.getTag();
                }

                ActionItem item = mActionItems.get(position);

                //设置文本文字
                itemHoller.name.setText(item.mTitle);
//                itemHoller.icon.setText(item.icon);
                if (item.icon.length() != 0) {
                    if (item.icon.equals(MString.Yellow)) {
                        itemHoller.icon.setText(" ");
                        itemHoller.icon.setBackgroundResource(R.drawable.circular_yellow_2);
                        itemHoller.icon.setWidth(39);
                        itemHoller.icon.setHeight(39);
                    } else if (item.icon.equals(MString.Green)) {
                        itemHoller.icon.setText(" ");
                        itemHoller.icon.setBackgroundResource(R.drawable.circular_green_2);
                        itemHoller.icon.setWidth(39);
                        itemHoller.icon.setHeight(39);
                    } else {
                        SetTypeface.set(itemHoller.icon, item.icon);
                    }

                }


                if (item.listener == null) {
                    itemHoller.pop_item.setOnClickListener(new View.OnClickListener() {
                        @Override
                        public void onClick(View view) {
                            dismiss();
                        }
                    });
                } else {
                    itemHoller.pop_item.setOnClickListener(item.listener);
                }
                //设置文字与图标的间隔
                //textView.setCompoundDrawablePadding(10);
                //设置在文字的左边放一个图标
//                textView.setCompoundDrawablesWithIntrinsicBounds(item.mDrawable, null , null, null);

                return convertView;
            }

            @Override
            public long getItemId(int position) {
                return position;
            }

            @Override
            public Object getItem(int position) {
                return mActionItems.get(position);
            }

            @Override
            public int getCount() {
                return mActionItems.size();
            }
        });
    }


    class ItemHoller {

        public TextView icon;
        public TextView name;
        public LinearLayout pop_item;

        ItemHoller(View convertView) {
            icon = (TextView) convertView.findViewById(R.id.pop_icon);
            name = (TextView) convertView.findViewById(R.id.pop_title);
            pop_item = (LinearLayout) convertView.findViewById(R.id.pop_item);
        }
    }

    /**
     * 添加子类项
     */
    public void addAction(ActionItem action) {
        if (action != null) {
            mActionItems.add(action);
            mIsDirty = true;
        }
    }

    /**
     * 清除子类项
     */
    public void cleanAction() {
        if (mActionItems.isEmpty()) {
            mActionItems.clear();
            mIsDirty = true;
        }
    }

    /**
     * 根据位置得到子类项
     */
    public ActionItem getAction(int position) {
        if (position < 0 || position > mActionItems.size())
            return null;
        return mActionItems.get(position);
    }

    /**
     * 设置监听事件
     */
    public void setItemOnClickListener(OnItemOnClickListener onItemOnClickListener) {
        this.mItemOnClickListener = onItemOnClickListener;
    }

    /**
     * @author yangyu
     *         功能描述：弹窗子类项按钮监听事件
     */
    public interface OnItemOnClickListener {
        void onItemClick(ActionItem item, int position);
    }
}
